1343320 has 64 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 470400.

The previous prime is 1343317. The next prime is 1343327. The reversal of 1343320 is 233431.

It is a junction number, because it is equal to n+sod(n) for n = 1343294 and 1343303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18885 + ... + 18955.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2^1343320 is an apocalyptic number.

1343320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710720).

1343320 is an abundant number, since it is smaller than the sum of its proper divisors (2078120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343320 is a wasteful number, since it uses less digits than its factorization.

1343320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1343320 is about 1159.0168247269. The cubic root of 1343320 is about 110.3383521254.

Adding to 1343320 its reverse (233431), we get a palindrome (1576751).

The spelling of 1343320 in words is "one million, three hundred forty-three thousand, three hundred twenty".